Solve this equation in inverse order of operations. b/3-7=2 b=?

Plz heeeeeeelp plz give me the answer

Apolynomial function has a root of –6 with multiplicity 1, a root of –2 with multiplicity 3, a root of 0 with multiplicity 2, and a root of 4 with multiplicity 3. if the function has a positive leading coefficient and is of odd degree, which statement about the graph is true?

Can someone check if i did this correct. it’s number 4 if you’re wondering.